But the security source said Fitzsimmons would be charged with premeditated murder under Iraqi law.

CNN: Briton held over death of 2 contractors in Baghdad

The APS news agency quoted an unidentified security source for the new death toll and said the fatalities include both Algerian and foreign workers.

NPR: Algeria: 12 Hostages Have Died In The Siege

In Washington, the chairman of the House Homeland Security Committee was briefed Monday on the situation, a congressional source said.

CNN: Afghans were targets of New York terror raid, source says

"The situation is too dynamic for the French to allow reporters up there, " said a security source familiar with similar campaigns.

BBC: Mali: French troops head north into unknown

Security experts said it was still too early to pinpoint the source of the attack.

BBC: Flame: Israel rejects link to malware cyber-attack

In addition to telecoms, software and cyber security investing, the source, who spoke on the condition of anonymity, said Swarth engages in mezzanine lending, capital markets and algorithmic trading.

FORBES: Secretive Israeli Billionaire Invested In Tech Before It Was Cool